23173839

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 38997504

約数和(自身を除く): 15823665

約数列:

[1, 3, 9, 13, 17, 39, 51, 61, 117, 153, 183, 191, 221, 549, 573, 663, 793, 1037, 1719, 1989, 2379, 2483, 3111, 3247, 7137, 7449, 9333, 9741, 11651, 13481, 22347, 29223, 34953, 40443, 42211, 104859, 121329, 126633, 151463, 198067, 379899, 454389, 594201, 1363167, 1782603, 2574871, 7724613, 23173839]

約数ペア:

[(1, 23173839), (3, 7724613), (9, 2574871), (13, 1782603), (17, 1363167), (39, 594201), (51, 454389), (61, 379899), (117, 198067), (153, 151463), (183, 126633), (191, 121329), (221, 104859), (549, 42211), (573, 40443), (663, 34953), (793, 29223), (1037, 22347), (1719, 13481), (1989, 11651), (2379, 9741), (2483, 9333), (3111, 7449), (3247, 7137)]